not available. Determining and Mapping DNAPL Saturation Values from Noninvasive GPR Measurements Sneddon, K.W. and G.R. Olhoeft (Colorado School of Mines, Golden); M.H. Powers (U.S. Geological Survey, Denver, CO). SAGEEP 2000: Symposium on Application of Geophysics to Environmental and Engineering Problems, 21-25 February 2000, Arlington, VA. Environmental and Engineering Geophysical Society, W...